<template>
  <div class="system-menu">
    <!-- 菜单数据 -->
    <div class="list">
      <SearchWithOperate
        :form-options="formOptions"
        btn-items="add"
        @onSearch="handleQuery"
        @onAdd="handleAdd"
      >
        <template v-slot:otherBtn>
          <el-tooltip
            v-if="isExpandAll"
            :open-delay="600"
            content="折叠全部"
            placement="bottom"
          >
            <el-button
              class="operate"
              type="primary"
              plain
              icon="iconfont icon-tool-collapse"
              size="mini"
              @click="toggleExpandAll"
            />
          </el-tooltip>
          <el-tooltip
            v-else
            :open-delay="600"
            content="展开全部"
            placement="bottom"
          >
            <el-button
              class="operate"
              type="primary"
              plain
              icon="iconfont icon-tool-expand"
              size="mini"
              @click="toggleExpandAll"
            />
          </el-tooltip>
        </template>
      </SearchWithOperate>

      <el-table
        v-if="refreshTable"
        v-loading="loading"
        class="table-padding"
        :data="menuList"
        row-key="menuId"
        tooltip-effect="light"
        :default-expand-all="isExpandAll"
        border
        :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
      >
        <el-table-column prop="menuName" label="菜单名称" show-overflow-tooltip />
        <el-table-column prop="icon" label="图标" align="center">
          <template slot-scope="scope">
            <svg-icon :icon-class="(scope.row.icon === null || scope.row.icon === undefined) ? '' : scope.row.icon" />
          </template>
        </el-table-column>
        <el-table-column prop="orderNum" align="center" label="排序" />
        <el-table-column prop="perms" label="权限标识" show-overflow-tooltip />
        <el-table-column prop="component" label="组件路径" show-overflow-tooltip />
        <el-table-column prop="status" align="center" width="70" label="状态">
          <template slot-scope="scope">
            <span class="stateShell">
              <div v-if="scope.row.status==='0'" class="common-prompt" style="background-color:#67C23A" />
              <div v-else class="common-prompt" style="background-color:#F56C6C" />
              <dict-tag :options="dict.type.status" :value="scope.row.status" />
            </span></template>
        </el-table-column>
        <el-table-column
          label="创建时间"
          width="180"
          align="center"
          prop="createTime"
          show-overflow-tooltip
        >
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.createTime) }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="300" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              v-hasPermi="['system:menu:edit']"
              size="mini"
              type="primary"
              plain
              @click="handleUpdate(scope.row)"
            >编辑</el-button>
            <el-button
              v-hasPermi="['system:menu:add']"
              size="mini"
              type="primary"
              plain
              @click="handleAdd(scope.row)"
            >添加</el-button>
            <el-button
              v-hasPermi="['system:menu:remove']"
              size="mini"
              type="danger"
              plain
              @click="handleDelete(scope.row)"
            >删除</el-button>
            <el-button
              size="mini"
              type="primary"
              plain
              @click="handleAuthRole(scope.row)"
            >分配角色</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="680px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单" prop="parentId">
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                show-count
                no-options-text="暂无数据"
                placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col v-if="form.menuType !== 'F'" :span="21" style="margin-right: 5px;">
            <el-form-item label="菜单图标" prop="icon">
              <el-popover placement="bottom-start" width="460" trigger="click" @show="$refs['iconSelect'].reset()">
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    class="el-input__icon"
                    style="height: 100%;"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col v-if="form.icon && form.icon !== '#' && form.icon !== '' && form.menuType !== 'F'" :span="2">
            <el-button icon="el-icon-delete" @click="clearIcon" />
          </el-col>
          <el-col v-if="form.menuType !== 'F' " :span="24" style="margin-right: 5px;">
            <el-form-item label="菜单图片" prop="remark">
              <span slot="label">
                菜单图片
                <el-tooltip content="分辨率200×200，大小不超过500KB" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
              </span>
              <upload-img
                name="menuImg"
                :limit-size="500"
                :url="form.remark"
                :file-list="menuImgFileList"
                @updateConfig="updateConfig"
                @updateFileList="updateFileList"
              ></upload-img>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="菜单名称" prop="menuName">
              <el-input v-model="form.menuName" placeholder="请输入菜单名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
          <el-col v-if="form.menuType !== 'F'" :span="12">
            <el-form-item prop="">
              <span slot="label">
                <el-tooltip content="选择是外链则路由地址需要以`http(s)://`开头" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                是否外链
              </span>
              <el-radio-group v-model="form.isFrame">
                <el-radio label="0">是</el-radio>
                <el-radio label="1">否</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col v-if="form.menuType !== 'F'" :span="12">
            <el-form-item prop="path">
              <span slot="label">
                <el-tooltip content="访问的路由地址，如：`user`，如外网地址需内链访问则以`http(s)://`开头。使用${baseUrl}替换根路径，系统内置参数包括${userId}、${userName}、${deptId}，如：${baseUrl}/system/view/1338744112815411200?userId=${userId}&userName=${userName}&deptId=${deptId}" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                路由地址
              </span>
              <el-input v-model="form.path" placeholder="请输入路由地址" />
            </el-form-item>
          </el-col>
          <el-col v-if="form.menuType === 'C'" :span="12">
            <el-form-item prop="component">
              <span slot="label">
                <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                组件路径
              </span>
              <el-input v-model="form.component" placeholder="请输入组件路径" />
            </el-form-item>
          </el-col>
          <el-col v-if="form.menuType !== 'M'" :span="12">
            <el-form-item prop="">
              <el-input v-model="form.perms" placeholder="请输入权限标识" maxlength="100" />
              <span slot="label">
                <el-tooltip content="控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasPermi('system:user:list')`)" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                权限字符
              </span>
            </el-form-item>
          </el-col>
          <el-col v-if="form.menuType === 'C'" :span="12">
            <el-form-item prop="">
              <el-input v-model="form.query" placeholder="请输入路由参数" maxlength="255" />
              <span slot="label">
                <el-tooltip content="访问路由的默认传递参数，如：`{&quot;id&quot;: 1, &quot;name&quot;: &quot;ry&quot;}`" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                路由参数
              </span>
            </el-form-item>
          </el-col>
          <el-col v-if="form.menuType === 'C'" :span="12">
            <el-form-item prop="">
              <span slot="label">
                <el-tooltip content="选择是则会被`keep-alive`缓存，需要匹配组件的`name`和地址保持一致" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                是否缓存
              </span>
              <el-radio-group v-model="form.isCache">
                <el-radio label="0">缓存</el-radio>
                <el-radio label="1">不缓存</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col v-if="form.isOwner === '1'" :span="12">
            <el-form-item prop="prefixPath">
              <span slot="label">
                路径前缀
              </span>
              <el-input v-model="form.prefixPath" placeholder="请输入路径前缀"></el-input>
            </el-form-item>
          </el-col>
          <el-col v-if="form.menuType !== 'F'" :span="12">
            <el-form-item prop="">
              <span slot="label">
                <el-tooltip content="选择隐藏则路由将不会出现在侧边栏，但仍然可以访问" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                显示状态
              </span>
              <el-radio-group v-model="form.visible">
                <el-radio
                  v-for="dict in dict.type.sys_show_hide"
                  :key="dict.value"
                  :label="dict.value"
                >{{ dict.label }}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item prop="">
              <span slot="label">
                <el-tooltip content="选择停用则路由将不会出现在侧边栏，也不能被访问" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                状态
              </span>
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in dict.type.sys_normal_disable"
                  :key="dict.value"
                  :label="dict.value"
                >{{ dict.label }}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" :loading="submitLoading" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <auth-role ref="authRole" @ok="handleQuery" />
  </div>
</template>

<script>
import { addMenu, changeMenuStatus, delMenu, getMenu, listMenu, updateMenu } from '@/api/system/menu'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'
import IconSelect from '@/components/icon-select/IconSelect'
import authRole from './AuthRole'
import UploadImg from '../micro-front/UploadImg.vue'

export default {
  name: 'Menu',
  dicts: ['sys_show_hide', 'sys_normal_disable', 'status'],
  components: { Treeselect, IconSelect, authRole, UploadImg },
  data() {
    return {
      menuImgFileList: [],
      currentNodeKey: '',
      appName: '',
      defaultProp: {
        children: 'children',
        label: 'name'
      },
      // 遮罩层
      loading: true,
      submitLoading: false,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部折叠
      isExpandAll: false,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        menuName: undefined,
        visible: undefined,
        appId: -1
      },
      menuIds: [],
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        parentId: [
          { required: true, message: '上级菜单不能为空', trigger: 'blur' }
        ],
        menuName: [
          { required: true, message: '菜单名称不能为空', trigger: 'blur' }
        ],
        orderNum: [
          { required: true, message: '菜单顺序不能为空', trigger: 'blur' }
        ],
        belongAppId: [
          { required: true, message: '所属系统不能为空', trigger: 'blur' }
        ]
      },
      // 查询条件
      formOptions: [{
        label: '菜单名称:',
        prop: 'menuName',
        type: 'input',
        placeholder: '请输入菜单名称'
      }, {
        label: '状态:',
        prop: 'status',
        type: 'select',
        options: [],
        placeholder: '菜单状态'
      }]
    }
  },
  watch: {
    // 根据名称筛选部门树
    appName(val) {
      this.$refs.tree.filter(val)
    }
  },
  created() {
    this.getList()
  },
  mounted() {
    this.formOptions[1].options = this.dict.type.sys_normal_disable
  },
  methods: {
    // 选择图标
    selected(name) {
      this.form.icon = name
    },
    updateConfig(key, value) {
      this.form.remark = value
    },
    updateFileList(fileList, file) {
      this[fileList].splice(this[fileList].indexOf(file), 1)
    },
    handleUrl(name) {
      if (name) {
        this.menuImgFileList = [{
          url: process.env.VUE_APP_BASE_API + '/download/' + process.env.VUE_APP_DOWNLOAD_URL + '/' + name
        }]
      }
    },
    /** 查询菜单列表 */
    getList() {
      this.loading = true
      listMenu(this.queryParams).then(response => {
        this.menuList = this.handleTree(response.data, 'menuId')
        this.loading = false
      })
    },

    // 分配角色按钮操作
    handleAuthRole(row) {
      const ids = []
      let menuIds = []
      if (row.children.length > 0) {
        menuIds = this.getMenuIds(row.children, ids)
      }
      menuIds.push(row.menuId)
      this.$refs.authRole.show(row.menuId, row.appId, menuIds)
    },
    getMenuIds(data, ids) {
      if (data && data.length) {
        data.forEach(item => {
          ids.push(item.menuId)
          if (item.children) {
            ids = this.getMenuIds(item.children, ids)
          }
        })
      }
      return ids
    },
    // 节点单击事件
    handleNodeClick(data) {
      this.queryParams.appId = data.id
      this.handleQuery()
    },
    // 筛选节点
    filterNode(value, data) {
      if (!value) return true
      return data.name.indexOf(value) !== -1
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children
      }
    },
    /** 查询菜单下拉树结构 */
    getTreeselect() {
      listMenu({
        appId: this.queryParams.appId
      }).then(response => {
        this.menuOptions = []
        const menu = { menuId: 0, menuName: '主类目', children: [] }
        menu.children = this.handleTree(response.data, 'menuId')
        this.menuOptions.push(menu)
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        menuId: undefined,
        parentId: 0,
        menuName: undefined,
        remark: null,
        icon: '',
        menuType: 'M',
        orderNum: 0,
        isFrame: '1',
        isCache: '0',
        visible: '0',
        status: '0',
        isOwner: '0',
        prefixPath: '',
        appId: this.queryParams.appId, // 默认应用
        belongAppId: this.queryParams.appId
      }
      this.menuImgFileList = []
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery(data) {
      this.queryParams = Object.assign(this.queryParams, data)
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset()
      this.getTreeselect()
      this.submitLoading = false
      if (row !== null && row !== undefined && row.menuId) {
        this.form.parentId = row.menuId
      } else {
        this.form.parentId = 0
      }
      this.open = true
      this.title = '添加菜单'
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false
      this.isExpandAll = !this.isExpandAll
      this.$nextTick(() => {
        this.refreshTable = true
      })
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      this.getTreeselect()
      this.submitLoading = false
      getMenu(row.menuId).then(response => {
        this.handleUrl(response.data.remark)
        this.form = response.data
        this.form.isOwner = `${this.form.isOwner}`
        this.open = true
        this.title = '修改菜单'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.submitLoading = true
      this.$refs['form'].validate(valid => {
        if (valid) {
          if ((this.form.parentId === 0 || JSON.stringify(this.form.parentId) === '{}') && (this.form.icon === '' || JSON.stringify(this.form.icon) === '{}')) {
            this.$modal.msgError('顶级菜单必须设置图标')
            this.submitLoading = false
            return
          }
          this.form.path = this.form.path && this.form.path.trim() || ''
          if (this.form.menuId !== null && this.form.menuId !== undefined) {
            updateMenu(this.form).then(response => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            }).catch(err => {
              this.submitLoading = false
              console.error(err)
            })
          } else {
            if (this.form.icon === null || this.form.icon === undefined) {
              this.form.icon = ''
            }
            addMenu(this.form).then(response => {
              this.$modal.msgSuccess('新增成功')
              this.open = false
              this.getList()
            }).catch(err => {
              this.submitLoading = false
              console.error(err)
            })
          }
        } else {
          this.submitLoading = false
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$modal.confirm('是否确认删除名称为"' + row.menuName + '"的数据项？').then(function() {
        return delMenu(row.menuId)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess('删除成功')
      }).catch(() => {
      })
    },
    /** 删除所选图标*/
    clearIcon() {
      this.form.icon = ''
    },
    /** 修改菜单状态*/
    handleStatusChange(row) {
      const text = row.status === '0' ? '启用' : '停用'
      this.$modal.confirm('确认要"' + text + '""' + row.menuName + '"菜单吗？').then(function() {
        return changeMenuStatus(row.menuId, row.status)
      }).then(() => {
        this.$modal.msgSuccess(text + '成功')
      }).catch(function() {
        row.status = row.status === '0' ? '1' : '0'
      })
    },
    handleIsOwnerChange(v) {
      if (v === '0') {
        this.form.belongAppId = this.queryParams.appId
      } else {
        this.form.belongAppId = null
      }
    }
  }
}
</script>
<style lang="scss" scoped>
.system-menu {
  height: 100%;

  .list {
    height: 100%;
    margin-left: 10px;
  }

  ::v-deep .el-tree-node {
    white-space: normal;
  }

  ::v-deep .el-tree-node__content {
    height: auto;
    margin-bottom: 10px;
  }
}
</style>
